CN113671650B - Ribbon optical cable capable of changing fiber core capacity in tube - Google Patents
Ribbon optical cable capable of changing fiber core capacity in tube Download PDFInfo
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- CN113671650B CN113671650B CN202111010499.0A CN202111010499A CN113671650B CN 113671650 B CN113671650 B CN 113671650B CN 202111010499 A CN202111010499 A CN 202111010499A CN 113671650 B CN113671650 B CN 113671650B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4403—Optical cables with ribbon structure
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/441—Optical cables built up from sub-bundles
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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Abstract
The invention belongs to the field of cables, and particularly relates to a ribbon optical cable capable of changing the capacity of a fiber core in a tube, which is provided with a cable core, wherein the cable core is composed of a sleeve unit and an optical fiber ribbon body.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to a ribbon cable capable of changing the capacity of a fiber core in a tube.
Background
The ribbon cable is widely applied to occasions such as intercity trunk lines, machine room outgoing lines and the like, and is an aorta for communication transmission.
In the prior art, for example, CN112789694a discloses a hanging cable, which has a central beam tube, four electrical conductors located outside the central beam tube, and an outer sheath located outside the electrical conductors, wherein the central beam tube has a plurality of optical fiber ribbons stacked in sequence, and the optical fiber ribbons have optical transmission components therein.
CN211263901U a ribbon optical cable, which comprises a reinforcement body consisting of two identical reinforcements, four optical fiber ribbons positioned outside the reinforcement body, a protective layer covering all the optical fiber ribbons, and an outer sheath positioned outside the protective layer; the reinforced structure is characterized in that each reinforcing piece is of a cylindrical structure, and two identical reinforcing pieces are reversely combined to form a complete cylindrical reinforcing piece body structure; each optical fiber ribbon consists of a plurality of inner-layer optical fibers, a plurality of outer-layer optical fibers positioned on the inner-layer optical fibers and an optical fiber ribbon body covering all the inner-layer optical fibers and the outer-layer optical fibers, and the inner edges of all the optical fiber ribbons are spliced to form a cylinder with a square section.
The above prior art has the following disadvantages: 1. the size of the loose tube cannot be changed, so that the capacity of the fiber core cannot be changed, and optical fiber ribbon protective layers with different specifications need to be produced according to the requirements of orders during production, so that great inconvenience is brought to production and management; the production process is relatively complicated, the production efficiency is low, and the production cost is high.
Disclosure of Invention
In order to solve the above problems, the present invention discloses a ribbon cable with changeable core capacity in the tube, which is realized by the following technical scheme.
The ribbon optical cable capable of changing the capacity of the fiber core in the tube is provided with a cable core, wherein the cable core is composed of a sleeve unit and an optical fiber ribbon body, and an outer protective layer is extruded outside the cable core.
The ribbon cable capable of changing the fiber core capacity in the tube is characterized in that the end of the other side of each first straight bar-shaped component is provided with a first clamping component, one side of the long side of each first straight bar-shaped component forms a first clamping groove, and the first clamping component of the previous first combination unit is clamped into the next first clamping groove.
The ribbon optical cable with the capacity of the fiber core in the tube capable of being changed is characterized in that the shape of the cavity of the optical fiber ribbon is regulated through the mutual matching of the clamping part and the clamping groove, so that the optical fiber ribbon body in the tube is protected; the optical cable can be independently cabled without an outer protective layer and a fixed part, so that the material and the cost are saved, the number of cabling procedures of the optical cable is reduced, the production efficiency is improved, the labor and the electric energy are saved, the energy is saved, the environment is protected, and the cost of the optical cable is further saved; the outer diameter of the optical cable is reduced, more optical cables can be placed in the pipeline with the same inner cavity, and pipeline laying resources are saved.
The ribbon cable capable of changing the core capacity in the tube is characterized in that the other end of the first straight-bar-shaped part of the previous first combination unit is connected with the side wall of the first straight-bar-shaped part of the next first combination unit through a first elastic part, a filling part is arranged in each first arch-shaped cavity, the first elastic part is in a stretching state, and the filling part limits the retraction of the first elastic part.
The ribbon cable with the changeable core capacity in the tube is characterized in that the sleeve unit is integrally formed.
The ribbon cable capable of changing the core capacity in the tube is characterized in that the filling component is made of polypropylene or polyethylene or flame-retardant polyolefin or nylon or steel or glass fiber reinforced plastic.
The ribbon optical cable capable of changing the fiber core capacity in the tube is provided with the elastic component, the fiber ribbon containing cavity can be adjusted as required by putting the filling components with different lengths, so that the length and the width of the fiber ribbon containing cavity can be adjusted, the number of layers of the fiber ribbon and the number of optical fibers arranged in each fiber ribbon can be adjusted, only a sleeve with one specification can be produced during sleeve production, when a customer needs an optical cable with larger core number, only the sleeve produced in advance needs to be taken out, the elastic component is stretched according to the length and the width of the fiber ribbon to enable the length and the width of the fiber ribbon containing cavity to reach set values, retraction of the elastic component is limited by the filling component, the effect of fixing the shape of the fiber ribbon containing cavity is achieved, the fiber ribbon containing cavity is put into the fiber ribbon containing cavity, the stock is convenient, production management of loose sleeves is simplified, and errors generated during loose sleeve scheduling in production are reduced.
The ribbon cable with the capacity of the fiber core in the tube capable of being changed can be independently cabled without an outer protective layer and a fixing component, so that the material and the cost are saved, the number of cabling procedures of the optical cable is reduced, the production efficiency is improved, the labor and the electric energy are saved, the energy is saved, the environment is protected, and the cost of the optical cable is further saved; the outer diameter of the optical cable is reduced, more optical cables can be placed in the pipeline with the same inner cavity, and pipeline laying resources are saved; the sleeve unit is integrally formed, so that the production efficiency of the optical cable is further improved.
The ribbon cable with the capacity of the fiber cores in the tube changeable is characterized in that a fixing part is further wound between the cable core and the outer protective layer, and the fixing part is made of polyester yarns, aramid yarns or glass fiber yarns.
The ribbon cable capable of changing the capacity of the fiber core in the tube is characterized in that the outer protective layer material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The ribbon cable with the changeable core capacity in the tube is characterized in that all the first arc-shaped parts are positioned on the same circumference.
The ribbon cable capable of changing the core capacity in the tube is characterized in that the optical fiber ribbon body is composed of at least one optical fiber ribbon, when the number of the optical fiber ribbons is more than or equal to two, the optical fiber ribbon body is formed by stacking a plurality of optical fiber ribbons, the optical fiber ribbon is formed by combining at least two optical fibers, and the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
According to the invention, because the arc-shaped components are not connected with each other, when the arc-shaped component on one side receives pressure, the arc-shaped component on the side independently bears the pressure, and the adjacent arc-shaped component is not influenced, so that the optical fiber ribbon body in the optical fiber ribbon is better protected.
Therefore, the invention has the advantages of simple structure, small outer diameter, high production efficiency, energy saving, environmental protection, low cost, independent pressure bearing, reduction of error rate of production scheduling and the like, and can change the capacity of the fiber core in the tube.
Drawings
Fig. 1 is an exploded perspective view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a cable core after decomposition in embodiment 1 of the present invention.
Fig. 3 is a schematic perspective view of a first combination unit in embodiment 1 of the present invention.
Fig. 4 is a schematic structural diagram of a cable core after decomposition in embodiment 2 of the present invention.
Fig. 5 is a schematic perspective view of a first combination unit in embodiment 2 of the present invention.
Fig. 6 is a schematic structural diagram of a cable core after decomposition in embodiment 3 of the present invention.
In the figure: 1. the optical fiber ribbon comprises an outer protective layer, 2, a fixed component, 3, a sleeve unit, 31, a first combined unit, 311, a first arc-shaped component, 312, a first straight strip-shaped component, 313, a first clamping component, 314, a first clamping groove, 315, a first elastic component, 32, a second combined unit, 321, a second arc-shaped component, 322, a second straight strip-shaped component, 323, a second clamping component, 324, a second clamping groove, 325, a second elastic component, 33, a third combined unit, 331, a third arc-shaped component, 332, a third straight strip-shaped component, 333, a third clamping component, 334, a third clamping groove, 335, a third elastic component, 34, a fourth combined unit, 341, a fourth arc-shaped component, 342, a fourth straight strip-shaped component, 343, a fourth clamping component, 344, a fourth clamping groove, 345, a fourth elastic component, 35, a first arch-shaped cavity, 36, a second arch-shaped cavity, 37, a third arch-shaped cavity, 38, a fourth optical fiber ribbon cavity, 4, and a band body.
Detailed Description
Example 1
Referring to fig. 1 to 3, a ribbon cable capable of changing the capacity of a fiber core in a tube, having a cable core, the cable core being composed of a sleeve unit 3 and a fiber ribbon body 4, a fixing member 2 being wound around the cable core, an outer sheath 1 being extruded around the fixing member 2, wherein the sleeve unit 3 is composed of a first combination unit 31, a second combination unit 32, a third combination unit 33 and a fourth combination unit 34, the first combination unit 31 is composed of a first arc-shaped member 311 and a first straight bar-shaped member 312, one end of the first straight bar-shaped member 312 is connected to the inner wall of the first arc-shaped member 311, the second combination unit 32 is composed of a second arc-shaped member 321 and a second straight bar-shaped member 322, one end of the second straight bar-shaped member 322 is connected to the inner wall of the second arc-shaped member 321, the third combination unit 33 is composed of a third arc-shaped member 331 and a third straight bar-shaped member 332, one end of the third straight bar-shaped member 332 is connected to the inner wall of the third arc-shaped member 331, the fourth combination unit 34 is composed of a fourth arc-shaped member 341 and a fourth straight bar-shaped member 342, the fourth straight bar-shaped member 342 and the fourth combination unit 312 are surrounded by a fourth straight bar-shaped member 322, the fourth straight side wall of the fourth straight bar-shaped member 342 and the fourth straight bar-shaped member 342, the fourth straight bar-shaped member 342 and the fourth straight bar-shaped member 322, the fourth straight-shaped member 342 and the fourth straight-shaped member 342 are surrounded by the fourth straight-shaped member 322, the fourth straight-shaped member 342, the first arc-shaped component 311, the second arc-shaped component 321 and the second straight-bar-shaped component 322 enclose a second arc-shaped cavity 36, the second arc-shaped component 321, the third arc-shaped component 331 and the third straight-bar-shaped component 332 enclose a third arc-shaped cavity 37, the third arc-shaped component 331, the fourth arc-shaped component 341 and the fourth straight-bar-shaped component 342 enclose a fourth arc-shaped cavity 38, the first arc-shaped component 311, the second arc-shaped component 321, the third arc-shaped component 331 and the fourth arc-shaped component 341 are located on the same circumference, and the optical fiber ribbon body 4 is located in the optical fiber ribbon cavity 39.
The ribbon cable capable of changing the fiber core capacity in the tube is characterized in that the outer protective layer 1 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The ribbon cable capable of changing the fiber core capacity in the tube is characterized in that the fixing part 2 is made of polyester yarn or aramid yarn or glass fiber yarn.
Example 2
Referring to fig. 4 and 5, a ribbon cable capable of changing the core capacity in a tube, having a cable core, the cable core being composed of a sleeve unit 3 and an optical fiber ribbon body 4, wherein the sleeve unit 3 is composed of a first combination unit 31, a second combination unit 32, a third combination unit 33 and a fourth combination unit 34, the first combination unit 31 is composed of a first arc-shaped member 311 and a first straight bar-shaped member 312, one end of the first straight bar-shaped member 312 is connected to the inner wall of the first arc-shaped member 311, the second combination unit 32 is composed of a second arc-shaped member 321 and a second straight bar-shaped member 322, one end of the second straight bar-shaped member 322 is connected to the inner wall of the second arc-shaped member 321, the third combination unit 33 is composed of a third arc-shaped member 331 and a third straight bar-shaped member 332, one end of the third straight bar-shaped member 332 is connected to the inner wall of the third arc-shaped member 331, the fourth combination unit 34 is composed of a fourth arc-shaped part 341 and a fourth straight bar-shaped part 342, one end of the fourth straight bar-shaped part 342 is connected with the inner wall of the fourth arc-shaped part 341, the other end of the first straight bar-shaped part 312 is provided with a first clamping part 313, one side of the long side of the first straight bar-shaped part 312 is provided with a first clamping groove 314, the other end of the second straight bar-shaped part 322 is provided with a second clamping part 323, one side of the long side of the second straight bar-shaped part 322 is provided with a second clamping groove 324, the other end of the third straight bar-shaped part 332 is provided with a third clamping part 333, one side of the long side of the third straight bar-shaped part 332 is provided with a third clamping groove 334, the other end of the fourth straight bar-shaped part 342 is provided with a fourth clamping part 343, one side of the long side of the fourth straight bar-shaped part 342 is provided with a fourth clamping groove 344, the first clamping member 313 is clamped in the fourth clamping groove 344, the second clamping member 323 is clamped in the first clamping groove 314, the third clamping member 333 is clamped in the second clamping groove 324, the fourth clamping member 343 is clamped in the third clamping groove 334, the first straight bar-shaped member 312, the second straight bar-shaped member 322, the third straight bar-shaped member 332 and the fourth straight bar-shaped member 342 enclose a rectangular optical fiber ribbon containing cavity 39, the first arc-shaped member 311, the first straight bar-shaped member 312 and the fourth straight bar-shaped member 341 enclose a first arch-shaped cavity 35, the first arc-shaped member 311, the second arc-shaped member 321 and the second straight bar-shaped member 322 enclose a second arch-shaped cavity 36, the second arc-shaped member 321, the third arc-shaped member 331 and the third straight bar-shaped member 332 enclose a third arch-shaped cavity 37, the third arc-shaped member 331, the fourth arc-shaped member 341 and the fourth straight bar-shaped member 342 enclose a fourth arch-shaped cavity 38, the first arc-shaped member 311, the second arc-shaped member 321, the third arc-shaped member 331 and the fourth arc-shaped member 341 are located in the same optical fiber ribbon containing cavity 39, and the optical fiber ribbon 4 are located in the same cavity.
In this embodiment, the shape of the optical fiber ribbon containing cavity 39 is defined by the mutual matching of the clamping part and the clamping groove, so as to protect the optical fiber ribbon body inside; compared with the embodiment 1, the embodiment can independently cable without the outer protective layer 1 and the fixed part 2, saves materials and cost, reduces the number of cabling procedures of the optical cable, improves the production efficiency, saves labor and electric energy, saves energy, protects environment and further saves the cost of the optical cable; the outer diameter of the optical cable is reduced, more optical cables can be placed in the pipeline with the same inner cavity, and pipeline laying resources are saved.
Example 3
Referring to fig. 6 and fig. 1, a ribbon cable capable of changing the capacity of a fiber core in a tube, having a cable core, the cable core being composed of a sleeve unit 3 and a fiber ribbon body 4, wherein the sleeve unit 3 is composed of a first combination unit 31, a second combination unit 32, a third combination unit 33 and a fourth combination unit 34, the first combination unit 31 is composed of a first arc-shaped member 311 and a first straight strip-shaped member 312, one end of the first straight strip-shaped member 312 is connected to the inner wall of the first arc-shaped member 311, the second combination unit 32 is composed of a second arc-shaped member 321 and a second straight strip-shaped member 322, one end of the second straight strip-shaped member 322 is connected to the inner wall of the second arc-shaped member 321, the third combination unit 33 is composed of a third arc-shaped member 331 and a third straight strip-shaped member 332, one end of the third straight strip-shaped member 332 is connected to the inner wall of the third arc-shaped member 331, the fourth combination unit 34 is composed of a fourth arc-shaped member 341 and a fourth straight strip-shaped member 342, one end of the fourth straight strip-shaped member 341 is connected to the inner wall of the second straight strip-shaped member 342, the fourth strip-shaped member 342 is connected to the second straight strip-shaped member 322 through a fourth straight side wall of the fourth straight strip-shaped member 342, the fourth straight strip-shaped member 342 and the fourth straight strip-shaped member 342, the fourth strip-shaped member 322, the fourth strip-shaped member 342 is connected to the fourth straight strip-shaped member 342 through the fourth straight strip-shaped member 342 and the fourth straight strip-shaped member 342, the fourth straight strip-shaped member 322, the fourth straight strip-shaped member 342 and the fourth straight strip-shaped member 322, the fourth straight strip-shaped member 342, the first arc-shaped member 311, the first straight-bar-shaped member 312 and the fourth arc-shaped member 341 enclose a first arc-shaped cavity 35, the first arc-shaped member 311, the second arc-shaped member 321 and the second straight-bar-shaped member 322 enclose a second arc-shaped cavity 36, the second arc-shaped member 321, the third arc-shaped member 331 and the third straight-bar-shaped member 332 enclose a third arc-shaped cavity 37, the third arc-shaped member 331, the fourth arc-shaped member 341 and the fourth straight-bar-shaped member 342 enclose a fourth arc-shaped cavity 38, a filling member 5 is respectively arranged in the first arc-shaped cavity 35, the second arc-shaped cavity 36, the third arc-shaped cavity 37 and the fourth arc-shaped cavity 38, the first elastic member 315, the second elastic member 325, the third elastic member 335 and the fourth elastic member 345 are in a stretching state, the filling member 5 limits the retraction of the first elastic member 315, the second elastic member 325, the third elastic member 335 and the fourth elastic member 345, the first arc-shaped member 311, the second arc-shaped member 321, the third arc-shaped member 341 and the fourth arc-shaped cavity 331 are located in the same cavity 39, and the optical fiber ribbon unit is integrally formed on the same optical fiber ribbon 3.
The ribbon cable capable of changing the core capacity in the tube is characterized in that the material of the filling component 5 is polypropylene or polyethylene or flame-retardant polyolefin or nylon or steel or glass fiber reinforced plastic.
The elastic component is arranged in the embodiment, the optical fiber ribbon accommodating cavity 39 can be adjusted as required by placing the filling components 5 with different lengths to adjust the length and the width of the optical fiber ribbon accommodating cavity 39, so that the length and the width of the optical fiber ribbon body 4 in the optical fiber ribbon accommodating cavity 39 can be adjusted, the number of layers of the optical fiber ribbon and the number of optical fibers arranged in each optical fiber ribbon can be adjusted, only one specification of sleeve can be produced during sleeve production, when a customer needs an optical cable with larger core number, only the sleeve produced in advance needs to be taken out, the elastic component is stretched according to the length and the width of the optical fiber ribbon body to enable the length and the width of the optical fiber ribbon accommodating cavity 39 to reach a set value, the retraction of the elastic component is limited by the filling component 5, the effect of fixing the shape of the optical fiber ribbon accommodating cavity 39 is achieved, and the optical fiber ribbon body is placed in the optical fiber ribbon accommodating cavity 39.
Compared with the embodiment 1, the embodiment can independently cable without the outer protective layer 1 and the fixed part 2, saves materials and cost, reduces the number of cabling procedures of the optical cable, improves the production efficiency, saves labor and electric energy, saves energy, protects environment and further saves the cost of the optical cable; the outer diameter of the optical cable is reduced, more optical cables can be placed in the pipeline with the same inner cavity, and pipeline laying resources are saved; compared with the embodiment 1 and the embodiment 2, the sleeve unit 3 is integrally formed, so that the production efficiency of the optical cable is further improved, the stock is convenient, the production management of the loose sleeve is simplified, and errors generated during the dispatching of the loose sleeve in the production are reduced.
Example 4
A ribbon cable capable of changing the capacity of a fiber core in a tube, which has a cable core, the cable core is composed of a sleeve unit 3 and a fiber ribbon body 4, an outer sheath layer 1 is extruded outside the cable core, characterized in that the sleeve unit 3 is composed of a first combination unit 31, a second combination unit 32, a third combination unit 33 and a fourth combination unit 34, the first combination unit 31 is composed of a first arc part 311 and a first straight bar part 312, one end of the first straight bar part 312 is connected with the inner wall of the first arc part 311, the second combination unit 32 is composed of a second arc part 321 and a second straight bar part 322, one end of the second straight bar part 322 is connected with the inner wall of the second arc part 321, the third combination unit 33 is composed of a third arc part 331 and a third straight bar part 332, one end of the third straight bar-shaped member 332 is connected to the inner wall of the third arc-shaped member 331, the fourth combination unit 34 is composed of a fourth arc-shaped member 341 and a fourth straight bar-shaped member 342, one end of the fourth straight bar-shaped member 342 is connected to the inner wall of the fourth arc-shaped member 341, the other end of the first straight bar-shaped member 312 is provided with a first clamping member 313, one side of the long side of the first straight bar-shaped member 312 is provided with a first clamping groove 314, the other end of the second straight bar-shaped member 322 is provided with a second clamping member 323, one side of the long side of the second straight bar-shaped member 322 is provided with a second clamping groove 324, the other end of the third straight bar-shaped member 332 is provided with a third clamping member 333, one side of the long side of the third straight bar-shaped member 332 is provided with a third clamping groove 334, the other end of the fourth straight bar-shaped member 342 is provided with a fourth clamping member 343, one side of the long side of the fourth straight bar-shaped member 342 is provided with a fourth clamping groove 344, the first clamping member 313 is clamped in the fourth clamping groove 344, the second clamping member 323 is clamped in the first clamping groove 314, the third clamping member 333 is clamped in the second clamping groove 324, the fourth clamping member 343 is clamped in the third clamping groove 334, the first straight bar-shaped member 312, the second straight bar-shaped member 322, the third straight bar-shaped member 332 and the fourth straight bar-shaped member 342 enclose a rectangular optical fiber ribbon containing cavity 39, the first arc-shaped member 311, the first straight bar-shaped member 312 and the fourth straight bar-shaped member 341 enclose a first arch-shaped cavity 35, the first arc-shaped member 311, the second arc-shaped member 321 and the second straight bar-shaped member 322 enclose a second arch-shaped cavity 36, the second arc-shaped member 321, the third arc-shaped member 331 and the third straight bar-shaped member 332 enclose a third arch-shaped cavity 37, the third arc-shaped member 331, the fourth arc-shaped member 341 and the fourth straight bar-shaped member 342 enclose a fourth arch-shaped cavity 38, the first arc-shaped member 311, the second arc-shaped member 321, the third arc-shaped member 331 and the fourth arc-shaped member 341 are located in the same optical fiber ribbon containing cavity 39, and the optical fiber ribbon 4 are located in the same cavity.
The ribbon cable capable of changing the fiber core capacity in the tube is characterized in that the outer protective layer 1 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
Compared with the optical fiber ribbon cable provided with the outer protective layer 1 in the embodiment 2, the optical fiber ribbon cable with the capacity of the fiber core in the tube being changed in the embodiment has the advantage that the protection of the cable core is enhanced.
Example 5
A ribbon cable capable of changing the capacity of a fiber core in a tube, comprising a cable core, wherein the cable core is composed of a sleeve unit 3 and a fiber ribbon body 4, and an outer sheath layer 1 is extruded outside the cable core, characterized in that the sleeve unit 3 is composed of a first combination unit 31, a second combination unit 32, a third combination unit 33 and a fourth combination unit 34, the first combination unit 31 is composed of a first arc-shaped member 311 and a first straight strip-shaped member 312, one end of the first straight strip-shaped member 312 is connected with the inner wall of the first arc-shaped member 311, the second combination unit 32 is composed of a second arc-shaped member 321 and a second straight strip-shaped member 322, one end of the second straight strip-shaped member 322 is connected with the inner wall of the second arc-shaped member 321, the third combination unit 33 is composed of a third arc-shaped member 331 and a third straight strip-shaped member 332, one end of the third straight strip-shaped member 332 is connected with the inner wall of the third arc-shaped member 331, the fourth combination unit 34 is composed of a fourth arc-shaped member 341 and a fourth straight strip-shaped member 342, one end of the fourth strip-shaped member 342 is connected with the inner wall of the second straight strip-shaped member 322 through the fourth straight strip-shaped member 342, the fourth straight strip-shaped member 342 and the fourth straight strip-shaped member 342, the fourth strip-shaped member 342 is connected with the fourth straight strip-shaped member 322 through the elastic sidewall 342, the fourth straight strip-shaped member 342 and the fourth straight strip-shaped member 322, the fourth straight strip-shaped member 342, the fourth straight strip-shaped member 322, the fourth straight side wall of the fourth straight strip-shaped member is connected with the fourth straight strip-shaped member 342 and the fourth straight strip-shaped member 342, the first arc-shaped member 311, the first straight-bar-shaped member 312 and the fourth arc-shaped member 341 enclose a first arc-shaped cavity 35, the first arc-shaped member 311, the second arc-shaped member 321 and the second straight-bar-shaped member 322 enclose a second arc-shaped cavity 36, the second arc-shaped member 321, the third arc-shaped member 331 and the third straight-bar-shaped member 332 enclose a third arc-shaped cavity 37, the third arc-shaped member 331, the fourth arc-shaped member 341 and the fourth straight-bar-shaped member 342 enclose a fourth arc-shaped cavity 38, a filling member 5 is respectively arranged in the first arc-shaped cavity 35, the second arc-shaped cavity 36, the third arc-shaped cavity 37 and the fourth arc-shaped cavity 38, the first elastic member 315, the second elastic member 325, the third elastic member 335 and the fourth elastic member 345 are in a stretching state, the filling member 5 limits the retraction of the first elastic member 315, the second elastic member 325, the third elastic member 335 and the fourth elastic member 345, the first arc-shaped member 311, the second arc-shaped member 321, the third arc-shaped member 341 and the fourth arc-shaped cavity 331 are located in the same cavity 39, and the optical fiber ribbon unit is integrally formed on the same optical fiber ribbon 3.
The ribbon cable capable of changing the fiber core capacity in the tube is characterized in that the outer protective layer 1 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
Compared with the ribbon cable provided with the outer protective layer 1 in the embodiment 2, the ribbon cable with the capacity of the fiber core in the tube changeable has the advantage that the protection of the cable core is enhanced.
A ribbon cable capable of changing the core capacity in a tube according to any of the above embodiments, wherein the optical fiber ribbon body 4 is formed by at least one optical fiber ribbon, when the number of the optical fiber ribbons is equal to or greater than two, the optical fiber ribbon body 4 is formed by stacking a plurality of optical fiber ribbons, the optical fiber ribbons are formed by combining at least two optical fibers, and the types of the optical fibers are g.652 type, g.653 type, g.654 type, g.655 type, g.656 type, g.657 type, A1a type, A1b type or A1c type.
The first combination unit 31, the second combination unit 32, the third combination unit 33, and the fourth combination unit 34 described in any of the above embodiments have the same structure.
According to the invention, as the arc-shaped parts are not connected with each other, when the arc-shaped part on one side receives pressure, the arc-shaped part on the side bears the pressure independently, and the adjacent arc-shaped part is not influenced, so that the optical fiber ribbon body in the optical fiber ribbon body is protected better.
The invention solves the problems that the size of a sleeve cannot be loosened in the prior art, so that the capacity of a fiber core cannot be changed, and optical fiber ribbon protective layers with different specifications need to be produced according to the requirement of an order during production, thereby bringing great inconvenience to production and management; the production process is relatively complicated, the production efficiency is low, and the production cost is high.
The above-described embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (8)
1. A ribbon optical cable capable of changing the capacity of a fiber core in a tube is provided with a cable core, wherein the cable core is composed of a sleeve unit (3) and an optical fiber ribbon body (4), and an outer protective layer (1) is extruded outside the cable core, the cable core is characterized in that the sleeve unit (3) is composed of four first combination units (31), all the first combination units (31) are arranged in a clockwise direction, each first combination unit (31) is composed of a first arc-shaped part (311) and a first straight-bar-shaped part (312), one end of the first straight-bar-shaped part (312) of all the first combination units (31) on the same side is connected with the inner wall of the first arc-shaped part (311) of the first combination unit (31), the four first straight-bar-shaped parts (312) surround a rectangular optical fiber ribbon cavity (39), the first arc-shaped part (311) of the previous first combination unit (31), the first straight-bar-shaped part (312) and the first arc-shaped part (311) of the next first combination unit (31) surround a first arch-shaped cavity (35) in the clockwise direction, and the optical fiber ribbon body (39) is positioned in the optical fiber cavity; the other end of the first straight strip-shaped part (312) of the previous first combined unit (31) is connected with the side wall of the first straight strip-shaped part (312) of the next first combined unit (31) through a first elastic part (315), a filling part (5) is arranged in each first arch-shaped cavity (35), the first elastic part (315) is in a stretching state, and the filling part (5) limits the retraction of the first elastic part (315).
2. A ribbon cable with a changeable core volume in the tube according to claim 1, characterized in that the jacket unit (3) is integrally formed.
3. An optical ribbon cable with changeable core capacity in tube according to claim 2, characterized in that the material of the filling member (5) is polypropylene or polyethylene or flame retardant polyolefin or nylon or steel or glass fiber reinforced plastic.
4. A ribbon cable with changeable core capacity in tube according to any one of claims 1 to 3, characterized in that a fixing member (2) is further wound between the core and the outer sheath (1), and the material of the fixing member (2) is polyester yarn or aramid yarn or glass fiber yarn.
5. Optical ribbon cable for changing the core capacity in tubes according to claim 4, characterized in that the material of the outer sheath (1) is low or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
6. A ribbon cable with a changeable core volume in a tube according to claim 5, characterized in that all the first arc-shaped elements (311) are located on the same circumference.
7. A ribbon cable with changeable core capacity in a tube according to claim 6, characterized in that the optical fiber ribbon body (4) is composed of at least one optical fiber ribbon, and when the number of the optical fiber ribbons is equal to or more than two, the optical fiber ribbon body (4) is formed by stacking a plurality of optical fiber ribbons, and the optical fiber ribbons are formed by combining at least two optical fibers.
8. The ribbon cable of claim 7, wherein the optical fibers are of the type G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, or A1 c.
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| CN113671650B true CN113671650B (en) | 2023-03-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116500737A (en) * | 2023-06-27 | 2023-07-28 | 常熟共益信息科技有限公司 | Optical fiber ribbon cable for communication and composite optical fiber ribbon cable |
| CN117741884B (en) * | 2024-02-20 | 2024-04-26 | 常熟共益信息科技有限公司 | Central beam tube type optical fiber ribbon cable |
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| CN210005762U (en) * | 2019-08-01 | 2020-01-31 | 常熟虞通光电科技有限公司 | kinds of embedded optical cable |
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Address after: 215542 No.1 Zhongli Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Applicant after: Changfei photoelectric cable (Suzhou) Co.,Ltd. Address before: 215542 No.1 Zhongli Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Applicant before: YANGTZE ZHONGLI OPTICAL FIBRE AND CABLE (JIANGSU) Co.,Ltd. |
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